OT: Google's new "undo" for e-mail

If you've ever hit that "send" button then regretted it, you now have five seconds to take it back if you're on a Gmail account, according to this article from Wired. This could come in handy!

As with most enhancements to Google's free webmail app, Gmail users can enable the new Undo Send feature by going into their Labs settings and turning it on -- click on the little green flask at the top of the screen, or go to Settings and click on the Labs tab. Gmail users can usually access new features shortly after they're announced, but the features take time to roll out across all accounts, so be patient if it doesn't show up right away.